<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script src="./js/jquery-3.6.0.js"></script>
    <title>员工列表</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        body a {
            text-decoration: none;
            color: #0d3a4b;
        }

        .active {
            color: #ffffff;
        }

        .wrap {
            width: 700px;
            height: 500px;
            background-color: skyblue;
            margin: 0 auto;
            position: relative;
        }

        .wrap #table {
            width: 460px;
            border-radius: 12px;
            position: absolute;
            left: 50%;
            top: 160px;
            transform: translateX(-50%);
            box-sizing: border-box;
            overflow: hidden;
        }

        .wrap #table thead {
            width: 100%;
            height: 30px;
            line-height: 30px;
            text-align: center;
            border-top-left-radius: 12px;
            border-top-right-radius: 12px;
            color: #fff;
            background: #4cbfe5;
        }

        .wrap #table thead a {
            color: #fff;
        }

        .wrap #table tbody {
            color: #19c2ff;
        }

        .wrap #table tbody a {
            color: #19c2ff;
        }

        .wrap #table tbody tr {
            background: #fff;
        }

        .ctrl {
            position: absolute;
            left: 200px;
            top: 100px;
        }

        .ctrl div {
            width: 300px;
            line-height: 30px;
            display: flex;
            flex-direction: row;
            justify-content: space-around;
        }

        h1 {
            text-align: center;
            padding-top: 20px;
            color: white;
        }
    </style>
</head>

<body>
    <div class="wrap">
        <h1>员工列表</h1>
        <div class="ctrl">
            <div class="age_sort nu">
                <a href="javascript:;" class="bt1">年龄从小到大</a>
                <a href="javascript:;" class="bt2">年龄从大到小</a>
                <a href="javascript:;" class="active">默认排序</a>
            </div>
            <div class="gender_show">
                <a href="javascript:;" class="bt3">只显示男性</a>
                <a href="javascript:;" class="bt4">只显示女性</a>
                <a href="javascript:;" class="active">默认</a>
            </div>
        </div>
        <table id="table">
            <thead>
                <tr>
                    <th>id</th>
                    <th>姓名</th>
                    <th>年龄</th>
                    <th>性别</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <th>0</th>
                    <th>小明</th>
                    <th>24</th>
                    <th>男</th>
                </tr>
            </tbody>
        </table>
    </div>
    <script>
        var data = [
            {
                id: 1,
                name: '小明',
                age: 24,
                gender: '男'
            },
            {
                id: 2,
                name: '小芳',
                age: 30,
                gender: '女'
            },
            {
                id: 3,
                name: '小美',
                age: 31,
                gender: '女'
            },
            {
                id: 4,
                name: '小刚',
                age: 21,
                gender: '男'
            },
            {
                id: 5,
                name: '小琪',
                age: 18,
                gender: '女'
            }
        ];

        $(function () {
            // 深拷贝函数
            function deepCopy(obj) {
                var obj1 = Object.prototype.toString.call(obj) === '[object Array]' ? [] : {};
                for (var key in obj) {
                    // 判断对象的值是否是自身的而不是原型链上的
                    if (obj.hasOwnProperty(key)) {
                        // 判断对象的值是否是引用数据类型
                        if (typeof obj[key] === 'object') {
                            obj1[key] = deepCopy(obj[key]);
                        } else {
                            obj1[key] = obj[key];
                        }
                    }
                }
                return obj1;
            }
            var n1 = deepCopy(data);
            var n2 = deepCopy(data);
            var n3 = deepCopy(data);
            var n4 = deepCopy(data);
            var n5 = deepCopy(data);

            // 渲染数据
            getNewdata(data)
            function getNewdata(data) {
                // 清除样式
                $('tbody').empty();
                // 循环创建
                data.forEach(function (item, index) {
                    var trEl = $(`
                    <tr>
                        <th>${item.id}</th>
                        <th>${item.name}</th>
                        <th>${item.age}</th>
                        <th>${item.gender}</th>
                    </tr>
                    `)
                    $('tbody').append(trEl);

                })
            }
            // 功能一 ： 年龄从小到大
            $('.bt1').on('click', function () {
                n1.sort(function (a, b) {
                    return a.age - b.age;
                })
                getNewdata(n1)
            })

            // 功能二 ： 年龄从大到小
            $('.bt2').on('click', function () {
                n2.sort(function (a, b) {
                    return b.age - a.age;
                })
                getNewdata(n2)
            })

            // 功能三： 只显示男性
            $('.bt3').on('click', function () {
                n3 = n3.filter(function (item) {
                    return item.gender !== '女';
                })
                getNewdata(n3)
            })

            // 功能四： 只显示女性
            $('.bt4').on('click', function () {
                n4 = n4.filter(function (item) {
                    return item.gender !== '男';
                })
                getNewdata(n4)
            })

            // 功能五 ： 默认排序
            $('.active').on('click',function(){
                getNewdata(n5)
            })
        })
    </script>
</body>

</html>